AC/Refrigerator Paper 2 WASSCE (SC), 2019

Question 3

a.    State four properties of a good refrigerant.
b.    State the reason why Freon gas is banned for use as a refrigerant.
c.    List five tools required to service a window air-conditioner.

 

Observation

(3) Question 4c required the candidates to convert 500C to Fahrenheit. The expected response is: